Explore the critical issue of marine pollution in this comprehensive 52-minute lecture. Delve into the definition of pollution and environmental bias before examining various types of marine pollutants. Learn about the devastating effects of oil spills, sewage sludge, and chemical contaminants like DDT, PCBs, and mercury. Investigate the growing problem of nonpoint source pollution and the regulations surrounding ocean dumping. Conclude by focusing on the pervasive issue of plastic pollution, including microplastics and the infamous Pacific Garbage Patch, gaining a thorough understanding of the challenges facing our oceans today.